<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Document</title>
    <style>
      .container {
        width: 100px;
        height: 100px;
        border: 1px solid red;
        background: url(./animal.png) no-repeat;
        animation: run 1s infinite;
        animation-timing-function: steps(1);
      }
      @keyframes run {
        0% {
          background-position: 0 0;
        }
        12.5% {
          background-position: -100px 0;
        }
        25% {
          background-position: -200px 0;
        }
        37.5% {
          background-position: -300px 0;
        }
        50% {
          background-position: 0 -100px;
        }
        62.5% {
          background-position: -100px -100px;
        }
        75% {
          background-position: -200px -100px;
        }
        87.5% {
          background-position: -300px -100px;
        }
        100% {
          background-position: 0 0;
        }
      }
    </style>
  </head>
  <body>
    <div class="container"></div>
  </body>
</html>
